Recent Episodes

Two of the creators of the Voyager Golden Record remember how they crafted a message for alien civilizations. Plus, can a robotic avatar let you remotely experience a trip to the zoo? And Pluto may be the source of the wispy red cap on the north pole of its moon Charon.

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Activity trackers like the Fitbit and the Apple Watch aim to make fitness more fun by incorporating elements of gameplay. But does it work? Plus, how the Silicon Cowboys of Compaqs early days took on the behemoth IBM with a 28-pound portable computer.

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An audiologist describes overcoming her hearing loss. Plus, how new research could expand the aural world for patients with hearing loss. And the sensory cues that help to enhance your enjoyment of a glass of wine.

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The U.S. is already a global leader in land-based wind energy. Now momentum is building for offshore wind power, with a new wind farm off the coast of Rhode Island. Plus, why we can be cautiously optimistic about a new drug designed to remove amyloid plaques from the brain.